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Table 1 GC-MS chromatographic conditions

From: Determination of phytocomponents and validation of squalene in ethanolic extract of Clerodendrum serratum Linn roots—using gas chromatography-mass spectroscopy and GC-FID technique

Parameters

Instrumental conditions

Instruments

Pekin Elmer Gas Chromatograph Clarus 680 and

Pekin Elmer Mass Spectrometer Clarus SQ 8C

Column

PekinElmer, Elite-5MS (column 30 m × 0.250 mm I.D. × 1 μm) (60–350°C)

Carrier gas

Helium

Oven temperature

Initial temperature at 80°C and initial hold for 2.00min

Ramp 1: 10.0/min to 150°C, hold for 1.00min

Ramp 2: 15.0/min to 250°C, hold for 10.00min

Total run time

26.6min

Split ratio

10:1

Injection vol

2μl

Ionization technique

Electron impact ionization

Mass analyzer

Triple quadrupole analyzer